Henby beeltst



No. 289,377, "Patented Dec; 4, 1188.3.

N4 PETERS. Phnblihognphzf. Wmin mn. (LC.

I UNITED STATES PATENT OFFICE;

HENRY BERLIN, on PrrTsR Re, PENRsYLVANimAssIGNo TO HIMSELF AND EREDERIoK AUSTIN, F SAME PLACE.

RAILROAD SWITCH AND FROG."

SPECIFICATION forming part of Letters Patent No. 289,377, dated December 4, 1883.

Applicatigii filed July 18,1883. (No model.) i

To all whom it may concern:

Be it known that I, HENRY BERLIN, of Pitts burg, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Railroad-Frogs; and I do hereby declare the following to be a full, clear, and exact description thereof.

My invention relates to an improvement in railroad-switches and movable frogs therefor; and it consists, generally,'in securing the wingrails to two fixed bed-plates, and the point of the frog to a movable bed-plate or slide-section arranged between the fixed bed-plates of the wing-rails, and in the combination of the same with the switch-rails by intermediate bell-cranks and rods, so as to actuate the frog simultaneously with the switch-rails, a 11 as will hereinafter more fully appear.

I will now describe my invention so that others skilled in the art may manufacture and use the same, reference being had to the accompanying drawings, forming part of this specification, in which- Figure 1- is a plan view showing the track and switch? Fig. 2 is a plan view showing the method of attaching the frog and rails to the bed-plates.

Like letters of reference indicate like parts wherever they occur.

In the drawings, a a representthe rails form.- ing the main track, and b b the rails forming the siding. As in the usual form of split switches, the rails a being the outer rails of the main track, are continuous and unbroken, the rails a, however, being the inner rail of the main track, join with the end of one of. the arm-rails, 0, extending from the frog 0 and the end of the wing-rail m, whileth'e end which meets the rail b is movable, and is connected with the switch-rod k. The rails 11 are continuous, and beyond theswitch form part of the main line of track, while the rails I). connect.

with the other arm, 0 of the frog 0, and the end of the wing-rail m, and the end which meets the rail to is movable similar to the rail a, and is connected with the switch-bar k. The ends of the railsa and 0 at the switch are tapered, and'are united by cross-braces Z Z, in the usual manner. The wing-rails m m are secured by bolts or rivets to the bed-plates e andf. Between these bed-plates e and f is a transversely-sliding plate, (I, which is connect ed by a rod, g, with the bell-crank. h. From the other arm of thebell-crank 7b a rod, 2', extends to the arm of another bell-crank, j, the other arm of which is connected with the switch-bar k. The two legs 0 c of the frog 0.

are connected by fish-bars to the ends of the rails b a while the point of the frog is secured by bolts or rivets to the sliding plate dbetween the wingrails m and m.- A spring, a, is placed in connection with the point of the frog similar to the springs now in use 011 switches.

The operation is as follows: WVhen the switch is so placed as to leave the main track clear or open, the end of the rail a being brought against the rail 11, and the end of the rail 2) being removed from the rail a, motion is communicated by the bell-cranksj and h and rods 0 i and g to the plate (I, which plate carries the point of the frog 0 against the wing-rail m,,

leaving a space between the frog and wingrail m, so that the wheels of the cars on the rail a approaching the switch will be guided by the flange of the wheel onto the main line, and thence onto the wing-rail m, frog 0, and onto the rail a, the flange of the wheel passing between the frog 0 and wing-railm. When the switch is placed so as to open the side track in communication with the main line, the rail 1) is brought against the rail a, and the rail a is removed from the rail 1), while the point of the frog is brought in contact with the guides rail on, and the flanges of the car-wheels pass between the frog and the guide-rail m. Ow-

.ing to the arms a c of the frog being joined to the rails b a by fish-bars, the frog 0 moves easily over the plate f when the switch is thrown from one. track to the other.

The advantages of my invention are the smoothness and durability of the track, and the safety to trains, owing to the continuous track. a

Having thus described my invention, what I claim, and desire to secure by Letters Patent,

1. In a railroad-switch, the combination of two wing-rails secured to transverse separated bed-plates, a frog-point movable on one of the IOO bed-p1ates, and a frog-slide arranged between I the separated bed-plates which support the wing-rails, the frog-point being secured to and moving with the movable slide, and its arms 5 joined with the track-rails, substantially as and for the purposes specified.

2. Ihe combination, in a switch, of the separated bed-plates e f, the wing-rails m m, secured on the bed-plates, the frog-point c 0 0,

IO movable on the bed-plate f, and the slide-plate d, interposed between the bed-plates e f, and

to which the point of the frog is secured, substantially as and for the purposes specified. i

3. In a railroadswitch, the combination of the bed-plates e f, the wing-rails m m, secured thereon, the frog slide d, and frog 0 c a, attached thereto and to the track-rails, the switch-rails a b, and the intermediate bellerank and rod connections between the switchrails and frog, whereby the switch-rails and frog are simultaneously operated, substantially as and for the purposes specified.

In testimony whereof I have hereunto set my hand this 9th day of July, A. D. 1883.

HENRY BERLIN.

\Vitnesses:

WV. B. CORWIN, J AMES K. BAKEWELL. 

